| South Sioux City to Sonneberg | 4,685.42 mi (7,540.45 km) |
| South Sioux City to Sonsbeck | 4,468.72 mi (7,191.71 km) |
| South Sioux City to Sonthofen | 4,782.78 mi (7,697.14 km) |
| South Sioux City to Spaichingen | 4,703.15 mi (7,568.99 km) |
| South Sioux City to Spelle | 4,473.70 mi (7,199.72 km) |
| South Sioux City to Spenge | 4,517.51 mi (7,270.23 km) |
| South Sioux City to Speyer | 4,637.63 mi (7,463.54 km) |
| South Sioux City to Spiesen-Elversberg | 4,592.26 mi (7,390.52 km) |
| South Sioux City to Spremberg | 4,734.55 mi (7,619.53 km) |
| South Sioux City to Springe | 4,549.20 mi (7,321.23 km) |
| South Sioux City to Sprockhovel | 4,508.70 mi (7,256.05 km) |
| South Sioux City to Stade | 4,487.00 mi (7,221.13 km) |
| South Sioux City to Stadtallendorf | 4,591.63 mi (7,389.51 km) |
| South Sioux City to Stadthagen | 4,533.22 mi (7,295.52 km) |
| South Sioux City to Stadtlohn | 4,470.92 mi (7,195.25 km) |
